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authorThomas Gleixner <tglx@linutronix.de>2008-10-16 14:19:04 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-16 16:53:30 +0200
commit10e580842ec8e53dddf62e1ab1871f4906477376 (patch)
tree5793b45755f21f578ff4b06a3a3546b3de5eb8f4 /drivers/xen/events.c
parent2be3b52a5785a6a5c5349fbd315f57595f7074be (diff)
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genirq: use iterators for irq_desc loops
Use for_each_irq_desc[_reverse] for all the iteration loops. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/xen/events.c')
-rw-r--r--drivers/xen/events.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index e6d47e8ca1a..9ce1ab6c268 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -137,14 +137,12 @@ static void bind_evtchn_to_cpu(unsigned int chn, unsigned int cpu)
static void init_evtchn_cpu_bindings(void)
{
#ifdef CONFIG_SMP
+ struct irq_desc *desc;
int i;
+
/* By default all event channels notify CPU#0. */
- for (i = 0; i < nr_irqs; i++) {
- struct irq_desc *desc = irq_to_desc(i);
- if (!desc)
- continue;
+ for_each_irq_desc(i, desc)
desc->affinity = cpumask_of_cpu(0);
- }
#endif
memset(cpu_evtchn, 0, sizeof(cpu_evtchn));
@@ -233,7 +231,7 @@ static int find_unbound_irq(void)
int irq;
/* Only allocate from dynirq range */
- for (irq = 0; irq < nr_irqs; irq++)
+ for_each_irq_nr(irq)
if (irq_bindcount[irq] == 0)
break;
@@ -794,7 +792,7 @@ void xen_irq_resume(void)
mask_evtchn(evtchn);
/* No IRQ <-> event-channel mappings. */
- for (irq = 0; irq < nr_irqs; irq++)
+ for_each_irq_nr(irq)
irq_info[irq].evtchn = 0; /* zap event-channel binding */
for (evtchn = 0; evtchn < NR_EVENT_CHANNELS; evtchn++)
@@ -826,7 +824,7 @@ void __init xen_init_IRQ(void)
mask_evtchn(i);
/* Dynamic IRQ space is currently unbound. Zero the refcnts. */
- for (i = 0; i < nr_irqs; i++)
+ for_each_irq_nr(i)
irq_bindcount[i] = 0;
irq_ctx_init(smp_processor_id());